! Started logfile: J2257+0243_S_2008_07_09_pus_uvs.log on Wed Oct 13 14:38:12 2010 obs J2257+0243_S_2008_07_09_pus_uva.fits ! Reading UV FITS file: J2257+0243_S_2008_07_09_pus_uva.fits ! AN table 1: 84 integrations on 105 of 105 possible baselines. ! AN table 2: 500 integrations on 105 of 105 possible baselines. ! Apparent sampling: 0.194569 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J2257+0243 ! ! There are 4 IFs, and a total of 4 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 2.23697e+09 8e+06 1 8e+06 ! 02 2 2.26697e+09 8e+06 1 8e+06 ! 03 3 2.35697e+09 8e+06 1 8e+06 ! 04 4 2.37697e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 1058 lines of history. ! ! Reading 47724 visibilities. select I ! Polarization I is unavailable. ! Selecting polarization: RR, channels: 1..4 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 print "field_size =",field_size ! field_size = 512 print "field_cell =",field_cell ! field_cell = 0.5 print "taper_size =",taper_size ! taper_size = 20 integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff mapsize field_size, field_cell ! Map grid = 512x512 pixels with 0.500x0.500 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! A total of 589 telescope corrections were flagged in sub-array 1. ! A total of 4480 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 589 telescope corrections were flagged in sub-array 1. ! A total of 4554 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 589 telescope corrections were flagged in sub-array 1. ! A total of 4478 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 589 telescope corrections were flagged in sub-array 1. ! A total of 4489 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.981469Jy sigma=0.005997 ! Fit after self-cal, rms=0.880017Jy sigma=0.005610 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.796 mas, bmaj=6.303 mas, bpa=-9.754 degrees ! Estimated noise=824.57 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (0, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.108662 Jy ! Component: 100 - total flux cleaned = 0.13243 Jy ! Total flux subtracted in 100 components = 0.13243 Jy ! Clean residual min=-0.007670 max=0.009153 Jy/beam ! Clean residual mean=0.000019 rms=0.001818 Jy/beam ! Combined flux in latest and established models = 0.13243 Jy ! Performing phase self-cal ! Adding 2 model components to the UV plane model. ! The established model now contains 2 components and 0.13243 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.247040Jy sigma=0.001108 ! Fit after self-cal, rms=0.246718Jy sigma=0.001107 ! Inverting map print "************** FINISHED UNIFORM WEIGHTING CLEAN **************" ! ************** FINISHED UNIFORM WEIGHTING CLEAN ************** ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.963 mas, bmaj=6.728 mas, bpa=-10.32 degrees ! Estimated noise=563.567 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00729566 Jy ! Component: 100 - total flux cleaned = 0.00726254 Jy ! Component: 150 - total flux cleaned = 0.00695026 Jy ! Component: 200 - total flux cleaned = 0.00655169 Jy ! Total flux subtracted in 200 components = 0.00655169 Jy ! Clean residual min=-0.007923 max=0.008707 Jy/beam ! Clean residual mean=0.000054 rms=0.001901 Jy/beam ! Combined flux in latest and established models = 0.138982 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 14 components and 0.138982 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.245741Jy sigma=0.001107 ! Fit after self-cal, rms=0.245719Jy sigma=0.001107 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.16 FD 1.10 HH 1.00* HN 1.10 ! KK 1.00 KP 1.07 LA 1.10 MK 1.01 ! NL 1.19 NY 1.00* ON 1.00* PT 0.96 ! SC 1.11 WZ 1.00* ZC 1.00* ! ! A total of 372 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.11 HH 1.00* HN 1.07 ! KK 1.00* KP 1.00* LA 1.02 MK 1.00* ! NL 1.01 NY 0.84 ON 0.74 PT 1.11 ! SC 0.99 WZ 0.85 ZC 1.03 ! ! ! Correcting IF 2. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.08 HH 1.00* HN 1.03 ! KK 0.93 KP 1.10 LA 1.10 MK 1.07 ! NL 1.14 NY 1.00* ON 1.00* PT 1.00 ! SC 1.14 WZ 1.00* ZC 1.00* ! ! A total of 363 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.17 HH 1.00* HN 1.01 ! KK 1.00* KP 1.00* LA 0.99 MK 1.00* ! NL 0.96 NY 0.86 ON 0.75 PT 1.09 ! SC 0.98 WZ 0.88 ZC 1.06 ! ! ! Correcting IF 3. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.20 FD 1.05 HH 1.00* HN 1.03 ! KK 0.93 KP 1.08 LA 1.08 MK 1.09 ! NL 1.12 NY 1.00* ON 1.00* PT 1.05 ! SC 1.27 WZ 1.00* ZC 1.00* ! ! A total of 369 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.11 HH 1.00* HN 1.06 ! KK 1.00* KP 1.00* LA 1.09 MK 1.00* ! NL 1.05 NY 0.87 ON 0.77 PT 1.15 ! SC 1.02 WZ 0.91 ZC 0.98 ! ! ! Correcting IF 4. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.16 FD 1.11 HH 1.00* HN 1.09 ! KK 1.00 KP 1.07 LA 1.08 MK 1.05 ! NL 1.12 NY 1.00* ON 1.00* PT 0.97 ! SC 1.24 WZ 1.00* ZC 1.00* ! ! A total of 354 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.10 HH 1.00* HN 1.00 ! KK 1.00* KP 1.00* LA 1.07 MK 1.00* ! NL 1.01 NY 0.82 ON 0.72 PT 1.12 ! SC 1.03 WZ 0.97 ZC 0.78 ! ! ! Fit before self-cal, rms=0.245719Jy sigma=0.001107 ! Fit after self-cal, rms=0.210115Jy sigma=0.001101 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.906 mas, bmaj=6.712 mas, bpa=-11.04 degrees ! Estimated noise=572.9 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00205635 Jy ! Component: 100 - total flux cleaned = 0.00257872 Jy ! Component: 150 - total flux cleaned = 0.00271196 Jy ! Component: 200 - total flux cleaned = 0.0027603 Jy ! Total flux subtracted in 200 components = 0.0027603 Jy ! Clean residual min=-0.004412 max=0.004328 Jy/beam ! Clean residual mean=0.000083 rms=0.001078 Jy/beam ! Combined flux in latest and established models = 0.141742 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 28 components and 0.141742 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.210100Jy sigma=0.001101 ! Fit after self-cal, rms=0.209669Jy sigma=0.001100 ! Inverting map selfcal true, true, soltime1 ! Performing amp+phase self-cal over 120 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.209669Jy sigma=0.001100 ! Fit after self-cal, rms=0.211393Jy sigma=0.001098 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.91 mas, bmaj=6.728 mas, bpa=-11.01 degrees ! Estimated noise=576.668 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000854702 Jy ! Component: 100 - total flux cleaned = 0.000964263 Jy ! Component: 150 - total flux cleaned = 0.00102194 Jy ! Component: 200 - total flux cleaned = 0.00102027 Jy ! Total flux subtracted in 200 components = 0.00102027 Jy ! Clean residual min=-0.003619 max=0.004117 Jy/beam ! Clean residual mean=0.000069 rms=0.000958 Jy/beam ! Combined flux in latest and established models = 0.142762 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 34 components and 0.142762 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.211382Jy sigma=0.001098 ! Fit after self-cal, rms=0.211483Jy sigma=0.001098 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (2.5, -17.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00382035 Jy ! Component: 100 - total flux cleaned = 0.00596929 Jy ! Component: 150 - total flux cleaned = 0.00694858 Jy ! Component: 200 - total flux cleaned = 0.00732377 Jy ! Total flux subtracted in 200 components = 0.00732377 Jy ! Clean residual min=-0.003740 max=0.003436 Jy/beam ! Clean residual mean=0.000045 rms=0.000896 Jy/beam ! Combined flux in latest and established models = 0.150086 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 60 components and 0.150086 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.211401Jy sigma=0.001098 ! Fit after self-cal, rms=0.211397Jy sigma=0.001098 ! Inverting map selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.211397Jy sigma=0.001098 ! Fit after self-cal, rms=0.213132Jy sigma=0.001097 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.913 mas, bmaj=6.729 mas, bpa=-11.04 degrees ! Estimated noise=576.448 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00213066 Jy ! Component: 100 - total flux cleaned = 0.00236214 Jy ! Component: 150 - total flux cleaned = 0.00240628 Jy ! Component: 200 - total flux cleaned = 0.00244665 Jy ! Total flux subtracted in 200 components = 0.00244665 Jy ! Clean residual min=-0.003171 max=0.002913 Jy/beam ! Clean residual mean=0.000034 rms=0.000761 Jy/beam ! Combined flux in latest and established models = 0.152533 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 86 components and 0.152533 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.213093Jy sigma=0.001096 ! Fit after self-cal, rms=0.213226Jy sigma=0.001096 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00103481 Jy ! Component: 100 - total flux cleaned = 0.00112115 Jy ! Component: 150 - total flux cleaned = 0.00123333 Jy ! Component: 200 - total flux cleaned = 0.0012666 Jy ! Total flux subtracted in 200 components = 0.0012666 Jy ! Clean residual min=-0.003170 max=0.002964 Jy/beam ! Clean residual mean=0.000035 rms=0.000761 Jy/beam ! Combined flux in latest and established models = 0.153799 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 104 components and 0.153799 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.213203Jy sigma=0.001096 ! Fit after self-cal, rms=0.213214Jy sigma=0.001096 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 mega-wavelengths. win_mult = win_mult * 1.2 selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.213214Jy sigma=0.001096 ! Fit after self-cal, rms=0.213901Jy sigma=0.001096 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.244 mas, bmaj=9.624 mas, bpa=13.09 degrees ! Estimated noise=862.305 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00110197 Jy ! Component: 100 - total flux cleaned = 0.00127548 Jy ! Component: 150 - total flux cleaned = 0.00139616 Jy ! Component: 200 - total flux cleaned = 0.00125198 Jy ! Total flux subtracted in 200 components = 0.00125198 Jy ! Clean residual min=-0.003699 max=0.005951 Jy/beam ! Clean residual mean=0.000128 rms=0.001517 Jy/beam ! Combined flux in latest and established models = 0.155051 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 119 components and 0.155051 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.213886Jy sigma=0.001096 ! Fit after self-cal, rms=0.213984Jy sigma=0.001096 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000681798 Jy ! Component: 100 - total flux cleaned = 0.000688325 Jy ! Component: 150 - total flux cleaned = 0.000541436 Jy ! Component: 200 - total flux cleaned = 0.000490871 Jy ! Total flux subtracted in 200 components = 0.000490871 Jy ! Clean residual min=-0.003676 max=0.005884 Jy/beam ! Clean residual mean=0.000127 rms=0.001513 Jy/beam ! Combined flux in latest and established models = 0.155542 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 125 components and 0.155542 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.213978Jy sigma=0.001096 ! Fit after self-cal, rms=0.213978Jy sigma=0.001096 ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "************** FINISHED AMPLITUDE SELF-CAL **************" ! ************** FINISHED AMPLITUDE SELF-CAL ************** restore ! Inverting map and beam ! Estimated beam: bmin=1.913 mas, bmaj=6.732 mas, bpa=-11.01 degrees ! Estimated noise=576.428 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.913 x 6.732 at -11.01 degrees (North through East) ! Clean map min=-0.002904 max=0.14322 Jy/beam if(peak(flux) > thresh) selfcal true, true clean clean_niter,clean_gain selfcal flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true end if print "************** CLEARING MODEL AND STARTING OVER **********" ! ************** CLEARING MODEL AND STARTING OVER ********** clrmod true ! clrmod: Cleared the established and tentative models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.76 mas, bmaj=6.34 mas, bpa=-10.66 degrees ! Estimated noise=860.117 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.112078 Jy ! Component: 100 - total flux cleaned = 0.137053 Jy ! Component: 150 - total flux cleaned = 0.145003 Jy ! Component: 200 - total flux cleaned = 0.147897 Jy ! Total flux subtracted in 200 components = 0.147897 Jy ! Clean residual min=-0.004851 max=0.004630 Jy/beam ! Clean residual mean=0.000010 rms=0.001123 Jy/beam ! Combined flux in latest and established models = 0.147897 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 13 model components to the UV plane model. ! The established model now contains 13 components and 0.147897 Jy ! Inverting map and beam ! Estimated beam: bmin=1.913 mas, bmaj=6.732 mas, bpa=-11.01 degrees ! Estimated noise=576.428 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (10, -25.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00478398 Jy ! Component: 100 - total flux cleaned = 0.00646266 Jy ! Component: 150 - total flux cleaned = 0.00715885 Jy ! Component: 200 - total flux cleaned = 0.00747003 Jy ! Total flux subtracted in 200 components = 0.00747003 Jy ! Clean residual min=-0.003106 max=0.003082 Jy/beam ! Clean residual mean=0.000032 rms=0.000806 Jy/beam ! Combined flux in latest and established models = 0.155367 Jy ! Adding 33 model components to the UV plane model. ! The established model now contains 42 components and 0.155367 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.244 mas, bmaj=9.624 mas, bpa=13.09 degrees ! Estimated noise=862.305 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00202109 Jy ! Component: 100 - total flux cleaned = 0.00142986 Jy ! Component: 150 - total flux cleaned = 0.00103383 Jy ! Component: 200 - total flux cleaned = 0.000651611 Jy ! Total flux subtracted in 200 components = 0.000651611 Jy ! Clean residual min=-0.003561 max=0.005743 Jy/beam ! Clean residual mean=0.000119 rms=0.001485 Jy/beam ! Combined flux in latest and established models = 0.156019 Jy flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000207974 Jy ! Component: 100 - total flux cleaned = -0.00029471 Jy ! Component: 150 - total flux cleaned = -0.000333083 Jy ! Component: 200 - total flux cleaned = -0.000366032 Jy ! Total flux subtracted in 200 components = -0.000366032 Jy ! Clean residual min=-0.003464 max=0.005741 Jy/beam ! Clean residual mean=0.000125 rms=0.001474 Jy/beam ! Combined flux in latest and established models = 0.155653 Jy ! Adding 36 model components to the UV plane model. ! The established model now contains 70 components and 0.155653 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.913 mas, bmaj=6.732 mas, bpa=-11.01 degrees ! Estimated noise=576.428 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000775227 Jy ! Component: 100 - total flux cleaned = 0.000538964 Jy ! Component: 150 - total flux cleaned = 0.000465399 Jy ! Component: 200 - total flux cleaned = 0.000465594 Jy ! Total flux subtracted in 200 components = 0.000465594 Jy ! Clean residual min=-0.003025 max=0.002839 Jy/beam ! Clean residual mean=0.000034 rms=0.000744 Jy/beam ! Combined flux in latest and established models = 0.156118 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 90 components and 0.156118 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.213969Jy sigma=0.001096 ! Fit after self-cal, rms=0.213975Jy sigma=0.001096 wmodel J2257+0243_S_2008_07_09_pus_map.mod ! Writing 90 model components to file: J2257+0243_S_2008_07_09_pus_map.mod wobs J2257+0243_S_2008_07_09_pus_uvs.fits ! Writing UV FITS file: J2257+0243_S_2008_07_09_pus_uvs.fits wwins J2257+0243_S_2008_07_09_pus_map.win ! wwins: Wrote 3 windows to J2257+0243_S_2008_07_09_pus_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000358342 Jy ! Component: 100 - total flux cleaned = -0.000311577 Jy ! Component: 150 - total flux cleaned = -0.000173156 Jy ! Component: 200 - total flux cleaned = -4.0284e-05 Jy ! Component: 250 - total flux cleaned = -8.06645e-05 Jy ! Component: 300 - total flux cleaned = -8.05374e-05 Jy ! Component: 350 - total flux cleaned = -0.00015988 Jy ! Component: 400 - total flux cleaned = -0.000198545 Jy ! Component: 450 - total flux cleaned = -0.000274349 Jy ! Component: 500 - total flux cleaned = -0.000274807 Jy ! Component: 550 - total flux cleaned = -0.000310647 Jy ! Component: 600 - total flux cleaned = -0.000310137 Jy ! Component: 650 - total flux cleaned = -0.00041283 Jy ! Component: 700 - total flux cleaned = -0.000345075 Jy ! Component: 750 - total flux cleaned = -0.000313118 Jy ! Component: 800 - total flux cleaned = -0.000410837 Jy ! Component: 850 - total flux cleaned = -0.00034692 Jy ! Component: 900 - total flux cleaned = -0.000409628 Jy ! Component: 950 - total flux cleaned = -0.000410089 Jy ! Component: 1000 - total flux cleaned = -0.000531827 Jy ! Component: 1050 - total flux cleaned = -0.000531842 Jy ! Component: 1100 - total flux cleaned = -0.000649647 Jy ! Component: 1150 - total flux cleaned = -0.000735999 Jy ! Component: 1200 - total flux cleaned = -0.00073519 Jy ! Component: 1250 - total flux cleaned = -0.000791511 Jy ! Component: 1300 - total flux cleaned = -0.000819496 Jy ! Component: 1350 - total flux cleaned = -0.00101082 Jy ! Component: 1400 - total flux cleaned = -0.00101034 Jy ! Component: 1450 - total flux cleaned = -0.00109001 Jy ! Component: 1500 - total flux cleaned = -0.00111604 Jy ! Component: 1550 - total flux cleaned = -0.00111614 Jy ! Component: 1600 - total flux cleaned = -0.00121872 Jy ! Component: 1650 - total flux cleaned = -0.00132019 Jy ! Component: 1700 - total flux cleaned = -0.00137019 Jy ! Component: 1750 - total flux cleaned = -0.00151926 Jy ! Component: 1800 - total flux cleaned = -0.00164169 Jy ! Component: 1850 - total flux cleaned = -0.00171431 Jy ! Component: 1900 - total flux cleaned = -0.00183413 Jy ! Component: 1950 - total flux cleaned = -0.00195237 Jy ! Component: 2000 - total flux cleaned = -0.00204636 Jy ! Total flux subtracted in 2048 components = -0.00216253 Jy ! Clean residual min=-0.001229 max=0.001528 Jy/beam ! Clean residual mean=0.000007 rms=0.000460 Jy/beam ! Combined flux in latest and established models = 0.153956 Jy keep ! Adding 146 model components to the UV plane model. ! The established model now contains 236 components and 0.153956 Jy wmap "J2257+0243_S_2008_07_09_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.913 x 6.732 at -11.01 degrees (North through East) ! Clean map min=-0.0024928 max=0.14196 Jy/beam ! Writing clean map to FITS file: J2257+0243_S_2008_07_09_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.141959 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000456244 device "J2257+0243_S_2008_07_09_pus\_map.eps/VPS" ! Attempting to open device: 'J2257+0243_S_2008_07_09_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.964172 0.964172 1.92834 3.85669 7.71338 15.4268 30.8535 61.707 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0013 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.141 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.913 x 6.732 at -11.01 degrees (North through East) ! Clean map min=-0.0024928 max=0.14196 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2257+0243_S_2008_07_09_pus\_map.gif/vgif" ! Attempting to open device: 'J2257+0243_S_2008_07_09_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J2257+0243_S_2008_07_09_pus_uvs.log closed on Wed Oct 13 14:38:20 2010